Please choose a category from the menu below for a listing of related organizations. Please note all links exit the DNR website. Links to publications and other educational resources can be found on our publications page.
Purple loosestrife (Lythrum salicaria) is a flowering plant that can reach 3’-7’ tall and is listed as a Restricted Invasive Species in Wisconsin because of its history of causing negative ecological impacts to wetlands and shorelines. Extensive…
Mature jumping worm. Photo Credit: Susan Day, UW-Madison ArboretumJumping worms are non-native, invasive earthworms first confirmed in Wisconsin in 2013. Native to eastern Asia, they present challenges to homeowners, gardeners and forest…